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D210803

Sigma-Aldrich

Diphenyl phosphite

Synonym(s):

Diphenoxyphosphine oxide, Diphenyl phosphonate, NSC 43786

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About This Item

Linear Formula:
(C6H5O)2P(O)H
CAS Number:
4712-55-4
Molecular Weight:
234.19
Beilstein:
2051909
EC Number:
225-202-8
MDL number:
MFCD00044497
UNSPSC Code:
12352100
PubChem Substance ID:
24893627
NACRES:
NA.22

vapor density

8.1 (vs air)

vapor pressure

5 mmHg ( 140 °C)

form

liquid

impurities

≤15% phenol

refractive index

n20/D 1.558 (lit.)

bp

218-219 °C/26 mmHg (lit.)

mp

12 °C (lit.)

density

1.223 g/mL at 25 °C (lit.)

SMILES string

O=[PH](Oc1ccccc1)Oc2ccccc2

InChI

1S/C12H11O3P/c13-16(14-11-7-3-1-4-8-11)15-12-9-5-2-6-10-12/h1-10,16H

InChI key

OGBPILLJZSJJRC-UHFFFAOYSA-N

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Application

Reactant involved in:
  • Synthesis of N-benzylarylamide and di-Ph α-aminomethanephosphonate derivatives used as additives for thermooxidative stability of ester-based oils
  • One-pot three-component Kabachnik-Fields reactions
  • Visible light mediated oxidative phosphonylations of amines
  • Modified asymmetric Pudovik addition with haloketones
  • Tandem decarboxylation-coupling with natural alpha-amino acids

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H315,H318,H335

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

348.8 °F - closed cup

Flash Point(C)

176 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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